<template>
  <div>
    <!-- 主体部分 -->
    <section class="main">
      <input 
      id="toggle-all" 
      class="toggle-all" 
      type="checkbox"
      @click="allBtn" 
      />
      <label for="toggle-all">Mark all as complete</label>
      <ul class="todo-list">
        <!-- 当任务已完成，可以给 li 加上 completed 类，会让元素加上删除线 -->
        <li 
        :class="{completed:item.flag}"
        v-for="item in list"
        :key="item.id"
        >
          <div class="view">
            <input
            class="toggle" 
            type="checkbox" 
            :checked="item.flag"
            @change="changeCss(item.id,$event)" />
            <label>{{item.value}}</label>

            <button 
            class="destroy"
            @click="del(item.id)"
            ></button>
          </div>
        </li>
      </ul>
    </section>
  </div>
</template>

<script>
export default {
  name: 'BodyList',
  components: {},
  props: {
    list:{
      type:Array,
      required:true
    }
  },
  data() {
    return {}
  },

  methods: {
    changeCss(id,e){
      this.$emit('changeCss',id,e.target.checked)
    },

    del(id){
      this.$emit('del',id)
    },

    allBtn(e){
      this.$emit('allBtn', e.target.checked)
    }
  },
}
</script>

<style scoped></style>
